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Bacteria The two most basic types of cells are eukaryotic and prokaryotic. Animal cells fall under the eukaryotic classification while bacteria, which will be the topic discussed, fall into the prokaryotic classification. Bacteria have a wide variety of characteristics, which includes, cell structure, oxygen usage, and source of energy. A cell is the fundamental structural unit of all living things. All cells have a surrounding membrane and an internal, water-rich substance called the cytoplasm. A …

…of these bacteria occur on croplands, they may deplete the soil nutrients, and make it difficult for crops to grow. While some bacteria are harmful to humans and animals, the vast majority perform functions essential to sustaining life. Since the number of known bacteria is so large and the effects bacteria have on the environment are so widespread we may never know the full impacts they have on our daily lives and ecosystem. ------------------------------------------------------------------------ **Bibliography**